Merge "Add a retry mechanism to retrieve access rules again depending on the... (edf9ca7c) · Commits · e / os / android_frameworks_opt_telephony

src/java/com/android/internal/telephony/uicc/UiccCarrierPrivilegeRules.java

+29 −6

Original line number	Diff line number	Diff line
		@@ -114,6 +114,8 @@ public class UiccCarrierPrivilegeRules extends Handler {
		// Max number of retries for open logical channel, interval is 10s.
		private static final int MAX_RETRY = 1;
		private static final int RETRY_INTERVAL_MS = 10000;
		private static final int STATUS_CODE_CONDITION_NOT_SATISFIED = 0x6985;
		private static final int STATUS_CODE_APPLET_SELECT_FAILED = 0x6999;

		// Used for parsing the data from the UICC.
		public static class TLV {
		@@ -426,6 +428,30 @@ public class UiccCarrierPrivilegeRules extends Handler {
		return null;
		}

		/**
		* The following three situations could be due to logical channels temporarily unavailable, so
		* we retry up to MAX_RETRY times, with an interval of RETRY_INTERVAL_MS: 1. MISSING_RESOURCE,
		* 2. NO_SUCH_ELEMENT and the status code is 6985, 3. INTERNAL_ERR and the status code is 6999.
		*/
		public static boolean shouldRetry(AsyncResult ar, int retryCount) {
		if (ar.exception instanceof CommandException && retryCount < MAX_RETRY) {
		CommandException.Error error = ((CommandException) (ar.exception)).getCommandError();
		int[] results = (int[]) ar.result;
		int statusCode = 0;
		if (results.length == 3) {
		byte[] bytes = new byte[]{(byte) results[1], (byte) results[2]};
		statusCode = Integer.parseInt(IccUtils.bytesToHexString(bytes), 16);
		log("status code: " + String.valueOf(statusCode));
		}
		return (error == CommandException.Error.MISSING_RESOURCE)
		\|\| (error == CommandException.Error.NO_SUCH_ELEMENT
		&& statusCode == STATUS_CODE_CONDITION_NOT_SATISFIED)
		\|\| (error == CommandException.Error.INTERNAL_ERR
		&& statusCode == STATUS_CODE_APPLET_SELECT_FAILED);
		}
		return false;
		}

		@Override
		public void handleMessage(Message msg) {
		AsyncResult ar;
		@@ -442,11 +468,8 @@ public class UiccCarrierPrivilegeRules extends Handler {
		DATA, obtainMessage(EVENT_TRANSMIT_LOGICAL_CHANNEL_DONE, mChannelId,
		mAIDInUse));
		} else {
		// MISSING_RESOURCE could be due to logical channels temporarily unavailable,
		// so we retry up to MAX_RETRY times, with an interval of RETRY_INTERVAL_MS.
		if (ar.exception instanceof CommandException && mRetryCount < MAX_RETRY
		&& ((CommandException) (ar.exception)).getCommandError()
		== CommandException.Error.MISSING_RESOURCE) {
		if (shouldRetry(ar, mRetryCount)) {
		log("should retry");
		mRetryCount++;
		removeCallbacks(mRetryRunnable);
		postDelayed(mRetryRunnable, RETRY_INTERVAL_MS);

tests/telephonytests/src/com/android/internal/telephony/uicc/UiccCarrierPrivilegeRulesTest.java

+33 −0

Original line number	Diff line number	Diff line
		@@ -30,6 +30,7 @@ import android.test.suitebuilder.annotation.SmallTest;
		import android.testing.AndroidTestingRunner;
		import android.testing.TestableLooper;

		import com.android.internal.telephony.CommandException;
		import com.android.internal.telephony.TelephonyTest;

		import org.junit.After;
		@@ -256,6 +257,38 @@ public class UiccCarrierPrivilegeRulesTest extends TelephonyTest {
		assertEquals(0, mUiccCarrierPrivilegeRules.getPackageNames().size());
		}

		@Test
		@SmallTest
		public void testRetryARAM_shouldRetry() {
		AsyncResult ar1 = new AsyncResult(
		null,
		new int[]{0, 105, -123},
		new CommandException(CommandException.Error.NO_SUCH_ELEMENT));
		assertTrue(mUiccCarrierPrivilegeRules.shouldRetry(ar1, 0));

		AsyncResult ar2 = new AsyncResult(
		null,
		new int[]{0},
		new CommandException(CommandException.Error.MISSING_RESOURCE));
		assertTrue(mUiccCarrierPrivilegeRules.shouldRetry(ar2, 0));

		AsyncResult ar3 = new AsyncResult(
		null,
		new int[]{0, 105, 153},
		new CommandException(CommandException.Error.INTERNAL_ERR));
		assertTrue(mUiccCarrierPrivilegeRules.shouldRetry(ar3, 0));
		}

		@Test
		@SmallTest
		public void testRetryARAM_shouldNotRetry() {
		AsyncResult ar = new AsyncResult(
		null,
		new int[]{0, 106, -126},
		new CommandException(CommandException.Error.NO_SUCH_ELEMENT));
		assertTrue(!mUiccCarrierPrivilegeRules.shouldRetry(ar, 0));
		}

		private static final String ARAM = "A00000015141434C00";
		private static final String ARAD = "A00000015144414300";
		private static final String PKCS15_AID = "A000000063504B43532D3135";